package com.song.controller;

import com.song.pojo.dept;
import com.song.service.impl.DeptServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * @Author Klys
 * @Date 2022/3/15 18:49
 * @Version 1.0
 */

//提供Restfull服务！
@RestController
public class deptController {

    @Autowired
    private DeptServiceImpl deptService;

    @GetMapping("/dept/add")
    public boolean addDept(dept dept){
        return deptService.addDept(dept);
    }

    @GetMapping("/dept/get/{id}")
    public dept getDept(@PathVariable("id") Long id) {
        dept dept = deptService.queryById(id);
        if (dept == null) {
            throw new RuntimeException("Fail");
        }
        return dept;
    }

    @GetMapping("/dept/list")
    public List<dept> queryAll() {
        return deptService.queryAll();
    }

    //获取一些配置的信息，得到一些具体微服务
    @Autowired
    private DiscoveryClient client;

    //注册进来的微服务~ ，获取一些信息
    @GetMapping("/dept/discovery")
    public Object discovery() {
        //获取微服务列表的清单
        List<String> services = client.getServices();
        System.out.println("discovery=>services:" + services);

        //得到一个具体的微服务信息,通过具体的微服务ID applicationName
        List<ServiceInstance> instances = client.getInstances("springcloud-provider-dept-8001");
        for (ServiceInstance instance : instances) {
            System.out.println(
                    instance.getHost() + "\t" +
                            instance.getPort() + "\t" +
                            instance.getUri() + "\t" +
                            instance.getServiceId()
            );
        }
        return instances;
    }
}
